| $150,000–350,000 | S FERGUSON TRUCK CENTER LTD | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SA 2010 LLC | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SADDLE RIVER RANGE, LLC | CONROE, TX | Third Coast Bank SSB |
| $150,000–350,000 | SANSERVE OF BEAUMONT, LLC | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | SARGENT PLUMBING COMPANY, INC. | TOMBALL, TX | Third Coast Bank SSB |
| $150,000–350,000 | SAVAGE TRUSTED TRANSPORT | LEWISVILLE, TX | Third Coast Bank SSB |
| $150,000–350,000 | SCHOONER RESTAURANT, INC. | NEDERLAND, TX | Third Coast Bank SSB |
| $150,000–350,000 | SCOTT M. BROWN, P.C. | ANGLETON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SENAIA INTERNATIONAL, INC | CAPE CORAL, FL | Third Coast Bank SSB |
| $150,000–350,000 | SENIOR CARE EXCELLENCE LLC | SUGAR LAND, TX | Third Coast Bank SSB |
| $350,000–1 million | SENTRY NEUROMONITORING LLC | TOMBALL, TX | Third Coast Bank SSB |
| $350,000–1 million | SERVICE FIRST JANITORIAL, LLC. | DALLAS, TX | Third Coast Bank SSB |
| $150,000–350,000 | SETEX CONSTRUCTION CORP | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | SETEX FACILITIES & MAINTENANCE, LLC | PORT ARTHUR, TX | Third Coast Bank SSB |
| $350,000–1 million | SFG INDUSTRIAL LLC | KOUNTZE, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHARKY'S WATERFRONT GRILL LLC | KINGWOOD, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHEA WRITING AND TRAINING SOLUTIONS, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHEILAS ANGELS IN HOME CARE LLC | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHIPRA ENTERPRISES INC | PEARLAND, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHIRPA FOODS INC | CALDWELL, TX | Third Coast Bank SSB |
| $150,000–350,000 | SHRINE OF THE TRUE CROSS CATHOLIC SCHOOL | DICKINSON, TX | Third Coast Bank SSB |
| $350,000–1 million | SIGNATURE COLLECTION, INC | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SILVER RANCH LEARNING CENTER LLC | KATY, TX | Third Coast Bank SSB |
| $350,000–1 million | SIMPLE SITEWORK INC | NEW CANEY, TX | Third Coast Bank SSB |
| $150,000–350,000 | SK RAO MD PA | PORT ARTHUR, TX | Third Coast Bank SSB |
| $150,000–350,000 | SMITH PARKER ELLIOTT, PLLC | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOCIETY OF ST. VINCENT DE PAUL ARCHDIOCESE OF GALVESTON-HOUSTON | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOLA-LITE, LLC | SAN ANTONIO, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOLAR CONTRACT CARPET OF LAS VEGAS, INC | LAS VEGAS, NV | Third Coast Bank SSB |
| $350,000–1 million | SOMMER INVESTMENTS LLC | WEBSTER, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOMMER INVESTMENTS NORTH LLC | HOUSTON, TX | Third Coast Bank SSB |
| $1–2 million | SONGWON INTERNATIONAL-AMERICAS, INC. | FRIENDSWOOD, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOUTHEAST TEXAS DRYWALL LLC | PORT ARTHUR, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOUTHEAST TEXAS FOOD BANK | BEAUMONT, TX | Third Coast Bank SSB |
| $350,000–1 million | SOUTHEAST TEXAS HR LLC | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOUTHEAST TEXAS NEPHROLOGY ASSOCIATES, P.A. | PORT ARTHUR, TX | Third Coast Bank SSB |
| $150,000–350,000 | SOUTHERN HORIZON INSURANCE, LLC | BRADENTON, FL | Third Coast Bank SSB |
| $150,000–350,000 | SOUTHTEX OILFIELD ENTERPRISES, LLC | ADKINS, TX | Third Coast Bank SSB |
| $150,000–350,000 | SPACE CITY PAIN SPECIALISTS LLP | WEBSTER, TX | Third Coast Bank SSB |
| $350,000–1 million | SPARTAN STRUCTURES, LLC | CENTER, TX | Third Coast Bank SSB |
| $350,000–1 million | SPECIALTY INSULATION SOLUTIONS, LLC | NEDERLAND, TX | Third Coast Bank SSB |
| $150,000–350,000 | SPRING COLLISION CENTER LLC | SPRING, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST ELIZABETH ANN SETON CATHOLIC CHURCH | HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | ST THERESA CATHOLIC SCHOOL | SUGAR LAND, TX | Third Coast Bank SSB |
| $350,000–1 million | ST. ANNE CATHOLIC SCHOOL | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. ANTHONYS SCHOOL | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. AUGUSTINE CATHOLIC SCHOOL | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. CHRISTOPHER CATHOLIC SCHOOL | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. ELIZABETH ANN SETON CATHOLIC SCHOOL | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. JUSTIN MARTYR CATHOLIC CHURCH | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. LUKE MISSIONARY BAPTIST CHURCH OF HUMBLE | HUMBLE, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. MARY MAGDALENE CATHOLIC SCHOOL | HUMBLE, TX | Third Coast Bank SSB |
| $150,000–350,000 | ST. PAUL THE APOSTLE CATHOLIC CHURCH | HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | ST. THOMAS MORE SCHOOL | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | STAFF. SOLVE, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | STANDARD INDUSTRIAL PRODUCTS COMPANY | WEBSTER, TX | Third Coast Bank SSB |
| $150,000–350,000 | STAR URGENT CARE, PLLC | MAGNOLIA, TX | Third Coast Bank SSB |
| $350,000–1 million | STAR WIRELESS LLC | CYPRESS, TX | Third Coast Bank SSB |
| $150,000–350,000 | STARCO IMPLEX INC | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | STEPHENS & GATEWOOD DDS PA | SPRING, TX | Third Coast Bank SSB |
| $150,000–350,000 | STERLING RIDGE DENTAL, PC | THE WOODLANDS, TX | Third Coast Bank SSB |
| $1–2 million | STERLING SHIPYARD LP | PORT NECHES, TX | Third Coast Bank SSB |
| $150,000–350,000 | STINGAREE OPERATING LLC | CRYSTAL BEACH, TX | Third Coast Bank SSB |
| $2–5 million | STRAIGHT LINE INDUSTRIAL SERVICES, INC. | SOUTH HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | STREAMLINE PRODUCTION SERVICES, INC. | VILLAGE MILLS, TX | Third Coast Bank SSB |
| $350,000–1 million | STREAMLINE WELL TESTING AND RENTAL, LLC | VILLAGE MILLS, TX | Third Coast Bank SSB |
| $150,000–350,000 | STRIPES & STOPS COMPANY, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | STRONG TRAVEL SERVICES, INC. | DALLAS, TX | Third Coast Bank SSB |
| $150,000–350,000 | STS. SIMON AND JUDE CATHOLIC CHURCH | SPRING, TX | Third Coast Bank SSB |
| $150,000–350,000 | SUMMIT FLOORS, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | SUPERIOR KATY CAR WASH LLC | KATY, TX | Third Coast Bank SSB |
| $150,000–350,000 | SUPERIOR STATION CAR WASH LLC | CYPRESS, TX | Third Coast Bank SSB |
| $350,000–1 million | SYNERGY CLEANING SOLUTIONS LLC | ODESSA, TX | Third Coast Bank SSB |
| $350,000–1 million | T W LAQUAY MARINE LLC | PORT LAVACA, TX | Third Coast Bank SSB |
| $150,000–350,000 | T&R PIPELINE SERVICES, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | TAD'S OPERATIONS, LLC | KATY, TX | Third Coast Bank SSB |
| $150,000–350,000 | TAQUERIA ARANDAS NO. 36 INC. | SPRING, TX | Third Coast Bank SSB |
| $150,000–350,000 | TARRANT ASSETS MANAGEMENT, LLC. | BEDFORD, TX | Third Coast Bank SSB |
| $350,000–1 million | TAX ADVISORY SERVICES GROUP LLC | HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | TEMPLAR MANAGEMENT, LLC | FRISCO, TX | Third Coast Bank SSB |
| $150,000–350,000 | TENNESEE EQUINE HOSPITAL LLP | THOMPSONS STATION, TN | Third Coast Bank SSB |
| $2–5 million | TEPCO - TEAM ENTERPRISE PROJECT CONTROLS ORGANIZATION LLC | BAYTOWN, TX | Third Coast Bank SSB |
| $5–10 million | TESCO HOLDINGS, LLC | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | TEXAS AIR DUCT SYSTEMS, INC. | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | TEXAS DRAIN TECHNOLOGIES, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | TEXAS EDUCATION PARTNERS LLC | RICHMOND, TX | Third Coast Bank SSB |
| $150,000–350,000 | TEXAS FIRE AND HOLEWATCH, INC. | PORT ARTHUR, TX | Third Coast Bank SSB |
| $350,000–1 million | TEXAS METAL TECH, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $350,000–1 million | TEXAS REGIONAL TITLE, LLC | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | TEXAS WHEEL WORKS, INC | PORT ARTHUR, TX | Third Coast Bank SSB |
| $150,000–350,000 | THAI D NGUYEN M.D., P.A. | HUMBLE, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE ASCEND GROUP, INC. | ADDISON, TX | Third Coast Bank SSB |
| $350,000–1 million | THE BREVARD COMPANY | FREEPORT, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE BUITRON LAW FIRM, P.C. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE DINGO GROUP, L.L.C. | BEAUMONT, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE DOG HOUSE PET SALON, INC. | HOUSTON, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE DUPERIER TEXAS LAND MAN COMPANY, LLC | BOERNE, TX | Third Coast Bank SSB |
| $350,000–1 million | THE ECHO GROUP, LTD | PORT ARTHUR, TX | Third Coast Bank SSB |
| $150,000–350,000 | THE EXAMINER CORPORATION | BEAUMONT, TX | Third Coast Bank SSB |
| $350,000–1 million | THE GATEWAY LOGISTICS GROUP, INC. | HOUSTON, TX | Third Coast Bank SSB |